#define LED_hijau 13
#define LED_biru 12
#define LED_merah 11
#define pushButton 7
int status = 0;

void setup() {
pinMode(LED_hijau, OUTPUT);
pinMode(LED_merah, OUTPUT);
pinMode(LED_biru, OUTPUT);
pinMode(pushButton, INPUT);
digitalWrite(LED_hijau, LOW);
digitalWrite(LED_merah, LOW);
digitalWrite(LED_biru, LOW);
}

void loop() {

  if(digitalRead(pushButton) == HIGH ){
    status++;
    delay(500);
  }

 if(status == 1){
  digitalWrite(LED_hijau, HIGH);
 } else if(status == 2){
  digitalWrite(LED_biru, HIGH);
 } else if(status == 3){
  digitalWrite(LED_merah, HIGH);
 } else if(status == 4){
  status = 0;
 } else{
digitalWrite(LED_hijau, LOW);
digitalWrite(LED_merah, LOW);
digitalWrite(LED_biru, LOW);
 }
}